"We've got a great group of young ones in the family now," he told The Telegraph.

"Lena and, obviously, Louis are similar ages, and Mia's sort of in between Charlotte and George.

"Then you've got Peter [Phillips]'s children Savannah and Isla, who are just a little bit older. James [the son of Prince Edward and Sophie] is, well, not exactly the ring leader, but he's the oldest."